in chromatography
@[email protected] of a peak such that, relative to the baseline, the front is less steep than the rear. In paper @[email protected] and @[email protected], it refers to the distortion of a spot showing a diffuse region in front of the spot in the direction of flow.
Orange Book, 2nd ed., p. 96 [Terms] [Book]
PAC, 1993, 65, 819. (Nomenclature for chromatography (IUPAC Recommendations 1993)) on page 837 [Terms] [Paper]